Generating Artificial Tsunami Waveforms Using Statistical Method

DOI Web Site 2 References
  • SUGINO Hideharu
    Regulatory Standard and Research Department, Secretariat of Nuclear Regulation Authority (S/NRA/R)
  • ABE Yuta
    Itochu Techno-Solutions Corporation

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Other Title
  • 統計的手法を用いた津波模擬波形の提案

Abstract

<p>To assist the advancement of tsunami risk assessment methods for nuclear power plants, requirements for the generation of artificial tsunami waveforms crucial for close cooperation between the probabilistic tsunami hazard analysis and tsunami fragility analysis were first listed. Then, basic studies were conducted to model the phase and amplitude spectra of waveforms observed during the 2011 Tohoku earthquake tsunami. Consequently, the average values of the group delay times and amplitude spectrum for each period band were confirmed to be effective for each modeling. Finally, in accordance with these requirements and results of the basic studies, a technique for generating artificial tsunami waveforms using a statistical method was proposed.</p>

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